From 5e9e7223a3633ee82b557d21b1f18aa15becd450 Mon Sep 17 00:00:00 2001
From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Date: Mon, 7 Dec 2020 20:38:30 +0100
Subject: build: add a configure switch for building examples

Example code for bindings is currently always built if bindings are
enabled. Make it conditional with a new configure switch.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
[Retrieved from:
https://git.kernel.org/pub/scm/libs/libgpiod/libgpiod.git/commit/?id=5e9e7223a3633ee82b557d21b1f18aa15becd450]
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
---
 bindings/cxx/Makefile.am    |  8 +++++++-
 bindings/python/Makefile.am | 10 ++++++++--
 configure.ac                |  6 ++++++
 3 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/bindings/cxx/Makefile.am b/bindings/cxx/Makefile.am
index 5c40ceb..87463b0 100644
--- a/bindings/cxx/Makefile.am
+++ b/bindings/cxx/Makefile.am
@@ -18,10 +18,16 @@ include_HEADERS = gpiod.hpp
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = libgpiodcxx.pc
 
-SUBDIRS = . examples
+SUBDIRS = .
 
 if WITH_TESTS
 
 SUBDIRS += tests
 
 endif
+
+if WITH_EXAMPLES
+
+SUBDIRS += examples
+
+endif
diff --git a/bindings/python/Makefile.am b/bindings/python/Makefile.am
index 124f152..5403bcb 100644
--- a/bindings/python/Makefile.am
+++ b/bindings/python/Makefile.am
@@ -6,8 +6,6 @@
 # Copyright (C) 2017-2018 Bartosz Golaszewski <bartekgola@gmail.com>
 #
 
-SUBDIRS = . examples
-
 pyexec_LTLIBRARIES = gpiod.la
 
 gpiod_la_SOURCES = gpiodmodule.c
@@ -17,8 +15,16 @@ gpiod_la_CFLAGS += -Wall -Wextra -g -std=gnu89 $(PYTHON_CPPFLAGS)
 gpiod_la_LDFLAGS = -module -avoid-version
 gpiod_la_LIBADD = $(top_builddir)/lib/libgpiod.la $(PYTHON_LIBS)
 
+SUBDIRS = .
+
 if WITH_TESTS
 
 SUBDIRS += tests
 
 endif
+
+if WITH_EXAMPLES
+
+SUBDIRS += examples
+
+endif
diff --git a/configure.ac b/configure.ac
index 57c99a8..90a6324 100644
--- a/configure.ac
+++ b/configure.ac
@@ -164,6 +164,12 @@ then
 	fi
 fi
 
+AC_ARG_ENABLE([examples],
+	[AS_HELP_STRING([--enable-examples], [enable building code examples[default=no]])],
+	[if test "x$enableval" = xyes; then with_examples=true; fi],
+	[with_examples=false])
+AM_CONDITIONAL([WITH_EXAMPLES], [test "x$with_examples" = xtrue])
+
 AC_ARG_ENABLE([bindings-cxx],
 	[AC_HELP_STRING([--enable-bindings-cxx],
 		[enable C++ bindings [default=no]])],
-- 
cgit 1.2.3-1.el7

